| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] | 45395 |
|
| 2 | he [modal v] [verb] | 37085 |
|
| 3 | he [vb mod] [verb] | 37085 |
|
| 4 | he could [verb] | 7789 |
|
